What is another word for sea-duty?
Pronunciation: [sˈiːdjˈuːti] (IPA) 
Sea-duty refers to the obligation of serving on a vessel or ship at sea. The term is commonly used in the military, maritime and naval industries. Synonyms for sea-duty include ocean duty, naval service, seafaring, marine duty, maritime service, and merchant marine duty. These synonyms denote the same sense of obligation to serve on a vessel or ship for a specific period of time. Naval service and maritime service are often used interchangeably but generally refer to the performance of duties on board warships and civilian maritime trading vessels, respectively. Marine duty and seafaring denote a broader sense of work performed on any kind of watercraft.
